20829023985

Names of 20829023985

• Cardinal: 20829023985 can be written as Twenty billion, eight hundred twenty-nine million, twenty-three thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 2.0829023985 × 10¹⁰

Factors of 20829023985

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 404

Divisors of 20829023985

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 11 15 17 21 33 35 51 55 67 71 77 85 105 119 165 187 201 213 223 231 255 335 355 357 385 469 497 561 595 669 737 781 935 1005 1065 1115 1139 1155 1207 1309 1407 1491 1561 1785 2211 2343 2345 2453 2485 2805 3345 3417 3621 3685 3791 3905 3927 4683 4757 5159 5467 5695 6035 6545 7035 7359 7455 7805 7973 8449 11055 11373 11715 12265 12529 13277 14271 14941 15477 15833 16401 17085 17171 18105 18955 19635 23415 23785 23919 25347 25795 26537 27335 33299 36795 37587 39831 39865 41701 42245 44823 47499 51513 52327 56865 62645 66385 71355 74705 77385 79165 79611 80869 82005 85855 87703 92939 99897 104587 110831 119595 125103 126735 132685 156981 164351 166495 174163 187935 199155 208505 224115 237495 242607 253997 257565 261635 263109 269161 278817 291907 313761 332493 366289 398055 404345 438515 464695 493053 499485 522489 522935 554155 566083 625515 761991 784905 807483 821755 870815 875721 889559 1060811 1098867 1150457 1213035 1219141 1269985 1315545 1345805 1394085 1459535 1568805 1662465 1698249 1777979 1831445 1884127 2465265 2612445 2668677 2793967 2830415 2960771 3182433 3451371 3657423 3809955 4037415 4378605 4447795 5304055 5333937 5494335 5652381 5752285 6095705 6226913 7425677 8381901 8491245 8882313 8889895 9420635 11668921 13343385 13969835 14803855 15912165 17256855 18033787 18287115 18680739 19557769 20725397 22277031 26669685 28261905 31134565 35006763 37128385 41909505 44411565 54101361 58344605 58673307 62176191 81682447 90168935 93403695 97788845 103626985 111385155 126236509 175033815 198371657 245047341 270506805 293366535 310880955 378709527 408412235 595114971 631182545 991858285 1225236705 1388601599 1893547635 2975574855 4165804797 6943007995 20829023985
• Sum of all divisors σ(n): 45482508288
• Sum of proper divisors (its aliquot sum) s(n): 24653484303
• 20829023985 is an abundant number, because the sum of its proper divisors (24653484303) is greater than itself. Its abundance is 3824460318

Bases of 20829023985

• Binary: 10011011001100000011010111011110001₂
• Hexadecimal: 0x4D981AEF1
• Base-36: 9KH29RL

Squares and roots of 20829023985

• 20829023985 squared (20829023985²) is 433848240167705280225
• 20829023985 cubed (20829023985³) is 9036635400303173704217671196625
• The square root of 20829023985 is 144322.6385048445
• The cube root of 20829023985 is 2751.4163056003

Scales and comparisons

• 20,829,023,985 seconds is equal to 662 years, 15 weeks, 3 days, 15 hours, 59 minutes, 45 seconds.
• To count from 1 to 20,829,023,985 would take you about one thousand, three hundred twenty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20829023985 cubic inches would be around 229.3 feet tall.

Recreational maths with 20829023985

• 20829023985 backwards is 58932092802
• The number of decimal digits it has is: 11
• The sum of 20829023985's digits is 48
• More coming soon!